#include <stdio.h>
#define STLEN 10
int main(void)
{
    char words [STLEN];

    puts("Enter strings (empty line to quit):");
    while (fgets(words, STLEN, stdin) != NULL && words[0] != '\n') 
    {
//        printf("我想要的：%c\n", words[10]);
        printf("你好");
        fputs(words, stdout);
    }
    puts("Done!");

    return 0;
}